How To Seal Siding From Water

Butt the siding next to each other so you can cover more than one piece of siding at a time with the sealer.

How to seal siding from water.

Lp recommends applying primer the foundation of the house before painting the siding to prevent moisture from wicking into the siding. Inspect the area above the leak including both indoors and out. Use a caulking gun to apply a continuous bead of silicone sealant along the vertical seams between the vinyl j channels and the exterior window casings. Choose a calm temperate day to seal wood.

Set up your saw horses about 6 feet apart in a shady area. Check to be sure weep holes are open along bottom of window openings. Lay the siding out on sawhorses or on a horizontal surface to make applying the sealer easier. The temperature should be be no colder.

Since water runs downward unless it s being driven by strong winds the standard method for creating water resistant vinyl cladding is to start at the bottom and work up. If you prefer to caulk before painting you should still paint the cut ends first. Using a standard sized roller instead of a short roller speeds the process of applying the sealer.